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However, elite sports organizations that follow WADA guidelines may prohibit any substance that enhances NAD or mimics metabolic regulation

References and further reading United States Pharmacopeia (USP)

How soon will I notice improvements

Side effects are uncommon but may include slight redness or soreness at the injection site

It's important to investigate the cause of deficiency with tests such as anti-intrinsic factor antibodies and to check folate status
